BOM with alternative items

Dear Experts,
Could someone please help to sort out this issue. I have a manufactured part "x" with BOM items of A,B and C. (we do selection within A/B/C and only one part will be posted) through "maintained estimated material.
Problem is that since the BOM is specified with all three part, the calculation of standard price shows add-on value of all the three parts.
Can someone help me ??

Hi Hari,
You can swop to 'lot pricing' and then use actual issues on the
production order. The standard cost price is still based on your 3
components. Your options are:
1. Migrate to LN, this has 'alternative materials'
2. Use on your bill 1/3 or a, 1/3 B and 1/3 C, and issue one of them
against a production order , your basically working with averages,
3. Make the BOM a generic bom and work through PCF, if your have 3 BOM
setup and use intelligent itemcode generation PCF, will tell you after
configuration that this is actually a standard item and selects the item
with the BOM, if you are not familiar with PCF, you may nbeed some help.

Hari
Whats your selection based on? Is it based on availability of stock in
either A,B or C? If so, you could use the "Interchangeable" feature of
Alternative Items. You can define it for either of the three or all
three...

Hi,
You have not mentioned the release. ( In ERP LN lot of options like unit effectivity and use up materials etc)
Apart from alternate items there is one more workaround.
In the BOM enter qty only for one compoent and enter zero for another compoents so that costing will be based on one compoent. While posting the items you can enter the quanttiy in the estimated materials .
Bhaskar